9
edits
Changes
Jump to navigation
Jump to search
→Activity No 1
Line 79:
Line 79:
* '''Prerequisites/Instructions, if any'''
* '''Prerequisites/Instructions, if any'''
1. Do not use A.C. current
1. Do not use A.C. current
+2. make a copper spring carefully
2. make a copper spring carefully
3. use only the thin copper wire.
3. use only the thin copper wire.